Suatu grup musik merilis album, penjualan per minggu (dalam ribuan) dinyatakan dengan model s(t) = -2 |t - 22| + 44, t waktu (dalam minggu).
a. gambar grafik fungsi penjualan s(t)
b. hitung total penjualan selama 44 minggu pertama
c. dinyatakan almu emas jika penjualan lebih dari 500.000 copy. hitung t agar dinyatakan album emas

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?